ZXir QLive Alive

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sletter

1 "

3

ADDRESS Routines

2 Information and Chairmen — TreaSury NoteS

Input/Output hyAbedKahak

6 CATUG

6 Sinclair E-Mail "List

7 QL Users E-Mail Database
From the Chairman's Disk — Donald Lambert

FILES

74M ASCII Text Filter TS-2068 - David Solly

ADDRESS

II

14
15

IS

FILES
How to Hack on the ZX Spectrum

Memory Improves With Age WDJUP

BankS witching - WDJUP

SUBROUTINES
Unclassified Ads

ZXir QLive Alive! ©
Established 1991 The Timex/Sinclair North American User Groups Newsletter

nTormation

We wish 10 support the following
platforms

7V q/i/gi tc innf.

Spectrum, TS-2068. Z88 and QL If you
have any questions about any of these fine
Sinclair's, contact the:

Chairman

Chief Motivator
Donald S, Lambert
738 Gtinnar Lb.
Forsyth, IL 62535
(217) 875-8043

ice-

airmen

Z88 Library

Dave Bennett (HATSUG)
1275 Timber View Dr
Mechanicsburg, PA 17055-9146
717 732-4374

QL Hacker's Journal

Timothy Swenson
2455 Medallion Dr
Union City, CA 94587-1914
swensontc@geocities . corn

TS-2G68

Rod Humphreys (VSUG)

10984 Collins PI.
Delta, BC V4C 7E6 Canada
604 583-2819

QL PD Library
John Donaldson (CATUG)

835 Foxwood Cir
Geneva, IL 60 134- 1631
630 232-6147

AERCO & Z80 Emulator
Keith Watson
41634 AmberlyDr
Mt. Clemens, MI 48038

BBS — ==GATOt==—

Bob Swoger (CATUG)
613 Parkside Cir.
Streamwood, IL 60107-1647
630 837-7957 Work 847 576-8068

Any of the above can also be
reached by E-Mail through the
Club BBS 847 632-5558

ZXir QLive Alive!

Is the newsletter of T/SNUG, the
Timex/Smclair North American User-
Groups, providing news and
software support to the T/S com-
munity in a VOLUME of four
newsletters per year; beginning with
the Spring (March) issue.

T/SNUG's main goal is to
preserve and encourage the
use of Sinclair computers

by providing an open
forum for the exchange of
knowledge, building and
maintaining of software
libraries. Providing
vendors, repair service and
members with free ad
space.

It is the user groups and individual
subscribers, rather than the vendors,
that provide the pecuniary support
for this newsletter. Vendors and
developers receive this newsletter
free of charge, though contribution
from vendors and user groups is
gratefully accepted. Please support
our vendors and service providers
whenever possible

If you have a problem or you have
solved a problem, please share it with
the rest of us Mo problem will be
considered unimportant.

Editiftr/Trcass! rer
Publisher

ou can keep T/SNUG alive by
an annual contribution of $12
for one VOLUME made payable to
Abed Kahale Send check to>

ABED KAHALE
3343 S FLAT ROCK CT
SIERRA VISTA AZ 85650-6874

520 378-3424

Back copies are available for
$1.00 each postpaid.

As of June 8 , 2000, we have a
balance of $903

Article

CiinfrHiiifgiiiii

Send in your articles by disk, hardcopy mail, or
e-mail and your inputs to: —

Abed Kahale
E-mail: AKahale@compuserve.com

*W etc&me

UilTilC Ale m Iters

GAT©

9.

% o better inform the Sinclair Community, three
24-hour a day BBSs are now provided to serve
you. You are encouraged to exchange mail and
use the files sections of these boards. Bulletins and
ads are available to all.

Q-Box BBS 810 254-9878

Utica, Michigan

SOL BBS 520 882-0388

Tucson, Arizona

Club BBS 847 632-5558

Arlington Heights, Illinois

LLIE8PH6ES

http://u sers. aol . clubbbs/tsn ug/
http://www.outlawnet.com/~jboatno4

I f you know the Internet E-Mail address of a
Sinclair user, but do not have access to Internet
simply address your E-Mail to GATOR Sinclair on
the 24-hour Club BBS and include the name and E-
Mail address of the user you wish to reach Then
check the Club BBS from time to time if you expect a
reply.

w

e encourage you to exchange mail and
contribute to the UPLOAD section Call and
register using your first, last name and phone number-
along with a password you won't forget Write It
Dmm! Do not try to do anything else at this time.

When you call-in the next time, you will have
Level 5 security and be able to enjoy full
user privileges. The BBS has smaller sections called
conferences Select 41 J for "Join a Conference"
Select "TIMEX" to get into the Sinclair Section The
mail you then read will only be from other- T/S users.
Use extension .ART for articles, ADS for ads and
.NWS for news when UPLOADing.

For help, contact the SYSOP, Bob Swoger, by
leaving a message, mail, E-Mail or phone
CENG 1 08@email.mot com

ZXir QLive Alive!

Summer 2000

Hello Abed

Thai last jpeg (diag. 4) doesn't have the minor
correction of the missing "INT" after the "<>."
Sorry for causing you the trouble of a correction . Take care,
Joe Rampolla

What a wonderful website? I've been T/S 7 n since
1984. My system includes a 2068 LarKen disk system 3.5
and 5.25 floppy, Aerco Parallel, Westridge (silver case)
2050 modem. Haven't gotten around to building the RGB
interface yet(l0yrs . Wd like to build up a 1000. I have a
box full of them with printers and 4 or 5 modem
boards, but I need ai least one RS232 port made so I can
do 1200baud and upload software to P C. more later

Neil

(904)740-9 1 0 .1 Printmaxx _pxx 1 (Sjnetzero.net

Hello Abed;

In reply to your kind letter of Nov 21, I have Just
gotten off the dime and sent off seven boxes of Sinclair

stun to Jack Boatwnght m Bend, Oregon, including ZX-
81 's and a Timex 1000 with extra memory, a TS2068 with
5-1/4 floppies using Aerco system plus lots of old
publications and spec, sheets. 1 talked with him before
sending this load and he really seemed to want it. He is only
53 years old so he should have a good chance to put
together a history of Sinclair computers. He started with a
ZX-8,1 and then later a TS-2068 Just like me and he also
has a QL but had not used it yet. He said that he would
share the things he did not need with others who wanted
them,

1 have not any further information about getting a
working copy of Assembler Work Bench by Zita Soft for
my QL 1 have the program copied to my floppy but it
needs the original tape as the security key The original tape
jammed so it was useless and 1 cannot load the program
without the security key This is a QL program that came on
micro-tape. 1 wrote a letter to Zita Soft in England but they
never replied, They must be defunct.. Is there someone I
should write to in Europe that might be helpful or the
internet?

Yes, I have to get. up to date and get on the int er net so
we all can communicate with each other. ! have the
equipment with Windows 95 but I have to make space to
assemble it with printer, etc. That is why I have been
cleaning out old computer stuff to make room for new
computer stuff that will quickly get out of date. I am
keeping my QL which works well and I can still program it
easily. Are you keeping the ZXir QLive Alive still?

John Pegram
1 126 Stradella Rd.

rnn A ...

Cr]o. s /"* A Oft/177

I contacted Bill Cable, and he may have a copy of
Assembler Workbench, but he suspects his tape is in the
same condition

AI Feng

RE Byte-Back Advertisement

I didn't realize you were still running the ad. I'm still

here and still have an attic full of stuff, but haven't heard
from anyone in two years from the ad. Don't bother
wasting the space Thanks

David Leech

Hey! I just visited your Site

http;//www-out.lawtiet \coin/~jboatTio4/welcome.htm,
and found it quite interesting Vm running this program
called Hamster AOS which pays up to 20 cents per' unique
visitor & 5 cents per click on TEXT ADS which can fit
right into your site perfectly .

We cut checks to our webmasters EVERY Friday and
I'm sure you will be very interested .
Check us out @, http ://www.hamster.com
If you have any questions email me atjack@hamster. com
Hope to see you on our program soon!

Jack

bi.tp. // www. hamster, com jackf^hamster. com

Hello Abed:

Thank you for your letter of March 23, 2000 in which
you contacted John Donaldson and A3 Feng I hope one of
them may have a working micro-tape for the Zita
Assembler Workbench 1 will write to each of them to see
what they may have to say.

As you knows I am still using my QL and will still use
it even after getting my used PC up and running. So I will
be interested in all that goes on in the Sinclair world . With
best wishes,

John B. Pegman

.Abed; " " "
I hope diis finds you and yours well. I forgot to
include my email address in the article on the interface.
Have you heard anything from the TS community that
shows an interest in experimenting with this puppy? 1 need
to know if I should press on with a PCB or tinker on with
my proto

I have been rather busy lately and will be until the end
of April (my son. is getting married them) so I won't have
much time to work on the 2068 stuff .1 have been
proceeding with ray disassembly of the 2068 ROMs to see
how to load and save using other "'channels." I have sussed
most: of the EXROM routines that do this. I have also
found the routines for the ERASE, FORMAT, CAT; and
MOVE keywords - they just call, the ON ERROR handler if
interpreting, I have been toying with the idea of modifying
the present; 2068 firmware to make it better use the
interface. I am thinking that the expanded 2068 would use
an OS that was optimized for a. bank-switched machine and
slave better nooks to add device drivers.

1 have been playing with my Z88 lately and have been
looking at its OZ operating system and thinking that there is
much there that is useful for the expanded 2068 - especially
considering that the Z88 was designed from the ground up
as a bank-switched machine. In addition, it would be
interesting to run Pipedream or other well behaved Z88
applications (those that use only OZ calls) on the 2068

Jeff Barrel!
XBurreJl(S).endocardial com

ZXir QLive Alive!

Summer 2000

Hi Abed,

Just a quick note to let you know my new email
address a bit shorter and easier to remember..

I hope all is going well for you and yours I ara doing
fine. I still get quite a few calls re: TS items. I refer most of
them to Jack Boatwrigh or to you. I just send a fellow
named Robert Webster- from St. Louis to both of you. He
wants to get back into TSing.

Thanks again for keeping me on the ZQA! mailing list
via email.. I enjoy reading (i.e.. hearing) the items. I really
miss not being able to use a TS computer Later;

Moil Gowen

aw 723@osfn.org

Hello Abed, I've gotten my Spectrum computer back
from John R. Risk. I still have one little problem, I need an
eight pin monitor cable for a composite monitor. Got any
idea's where I can find one, or should 1 ran an ad, in the
next ZXir QLive Newsletter, ft would be great to see it ran
on a monitor

and all the software. It has been sitting on my closet shelf
for years. Do you know if any of your' contacts need such a
system. Sincerely,

Tom Parks
tparks@alhloghomes . com
www. alhloghomes com/Ioghomecare
Appalachian Log Care
!. 1*312 Station West Drive
Knoxvilie, TN 37922

PH.: 1-800-726-0708
FAX: 423-675-2662

'hank You!

rtegsrsian

tinne ,

26 MARSHALL AVE

AKRON NY 14001 -1016

PS' ft does seem to power' up okay, but I need a monitor

cable to get it up and running right ! ! !

danesteg@ju no .com

Mr. Abed, I got your e-mail address from Rod Gowen,

he said you could put me in touch with John Shepard, I

need a TS-2068 computer mine has gone out on me. I get a

screen that comes up to the Timex copyright screen and

goes no further, if you 1

would please be kind 111
.. ... • j>

enough to help out I would

be very thankful., 1 talk to

Ban Elliott and he said

that it was most likely the

big square chip on the

board which he also says

they are no longer aviable,

so if you could get me

another TS-2068 I would

be very happy...

Robert Webster

783 1 Weaver Ave.,

Maplewood, MO 63143

(314)645-5267

"rwebs@freewwweb.com

"@freew wweb. com

Here are the two

addresses you should

try:

John (Jay) Shepard
<jshepard@netins.net >
Jack Boatwright
<jboatno4@outlawnet c
om >

i cart also have
your request in the next

(June) Newsletter, if you don't ge t one let m e know,

Dear Abed,

1 have a completely new TS2068 system still in the
box, computer, TS2050 modem, TS2020 recorder, printer

Thanks for sending me the info.. I have already sent
Mr. Parks e-mail, and called the 800 number and left a
message, thanks again .

Robert Webster

To: dkl@dpiiv.com

Good to hear from you. Dave!

No, I have never heard of the 2040 used with anything other
than the Sinclair computers.
Have you seen our Timex Homepages linked from:
http://members.aoI com/clubbbs

Dave, it just came to me, there is an Alfacom thermal
printer that uses. 8" thermal printer that uses generic printer
commands from an IBM platform machine. Does feat
interest you? There may also have been a 4" version.

Dave Lebowitz, found bis ok! TS2040 printer and
wondered if anyone had ever hooked a TS2040 to an IBM
platform

Dear Abed,

You continue to do a most excellent Job in getting the

Longaberger Basket Co. Near Newark, Ohio
World largest basket Guinness Book etc...

Newsletter out with so much professionalism. Your
command of the American Language is superb and all of
the articles in the newsletter are interesting. I appreciate the
efforts of each and every contributor and our Chief
Motivator, Please keep up the good work! Best wishes.

ZXir QLive Alive!

4

Summer 2000

Hugh Scriven

Thank you, Hugh.

Dear Abed,

Lately I've become interested in USB transmission of
data between PC's and I recalled that in an early issue of
"ZXir QLive Alive" you had written an article that
described a set-up that allowed a TS2068 to talk to a PC.
After looking through numerous earlier issues of your
newsletters . I found it (in Vol 3 #4 -- Winter 1993).

While searching through the issues 1 couldn't help but
wonder if anyone had considered cataloging the articles in
your newsletter? AND has anyone designed a practical
computer control for an electronic organ?

Most of them operate on low voltage (transistorized or
digitized) so it shouldn't be that difficult and it would seem
to me that it would result in saving a lot of Timex
computers from the scrap pile! OK .... "LECTURING
MODE OFF"!!! Sinclair! y,

Td be willing to collaborate with anyone interested in
writing an article. My main knowledge of computers,
which is quite limited was with the T/S 2068, and my
"hands-on" knowledge of electronic organs was with the
Schober and Devtronix organs ... but 1 have access to info
on a few others Sincerely,

Fred Henn
FRED J HENN
230 N FRENCH RD
BUFFALO NY 14228-2033
oranur@iuno.com

Thanks for the info, Abed I do appreciate it. Tiger
Computers is touting it as, The World's Hottest Operating
System AND the wave of the future! One of my reasons
for being interested is that "Uncle" Give's new laptop, will
be marketed with Linux? Sinclairiy,

Fred Henn

> Linux is excaiient for those who like to get into a
different OS than Windows and do have sufficient
computer knowledge to do the work with it. The free
OS (by Linus To/vaids) is not a "plug-n-play" and
programs made for Win will not run in it But the
commercial version that i have seen advertised

makes life easier for about $50.

US QL 2000 Show
Sponsored by QUANTA and NESQLUG
White River junction, Vermont USA on May 20, 2000
Bill (Cable)

1 put portions of your e-mail on the T/SNUG
Homepage, Bill

You picked the same day as the Glenside Color
Computer Fest that 1 have to work on! J shall update the
T/SNUG homepage to make your ad even nicer as when I
have time-soon!

Thanks for the input and I hope you have great
success - wish 1 could be there. This years QL show sounds
better than last year's.

Robert Swoger

http:/7members . aol.com/ciubbbs/tsnug — ==GATOR==- -_

1 wrote to Pegram last week

I contacted Bill Cable, and he may have a copy of
Assembler Workbench, but he suspects his tape is in the
same condition.

I received an e-mail from Bill Cable Monday morning
and he said that he would be able to send Pegram the
requested tape ...

Al Feng

Thank you, A!

Thanks Bob,

That is very nice. You put some work into that
(clubbbs@aol.com). Should help get a few more attendees,
it looks like we will have a good show. Lots of QL notables
will be there Be nice to see you there too Does your Gator
nickname have anything to do with University of Florida i
graduated from there in 1967

Bill Cabl e

The nickname GATOR was given to me by a member
of the Motorola Computer club when I joined in 1984 and
put a BBS on their PDP 1 1/60 Computer They said "1
made the swamp livable"
— ==GA.T OR-= —

Hi Bob"

I don't know if anyone is going or not, but I sent a
copy of your e-mail to John. Dennis might be interested
but I don't know what his e-mail address is right now I
will send him a copy as well when I find out what it is We
don't have the meetings around here like we use to Too
bad, 1 liked them

Keith Watson

Thanks for the feedback, Keith. I sure do miss those
get-togethers, also We have not had a meeting down here
since last September. 1 also miss them There is still
TS2068 stuff I'd like to do but the TIME BANDITS keep
me from doing these projects Did you visit the T/SNUG
homepage yet?

~~==GATOR=--~

Hello Abed.

Last week, 1 received an original and a copy of
Assembler Workbench from Bill Cable The program works
perfectly! Thank you so much for finding someone who
could supply this program to me. 1 am writing to Bill to
thank him and send along some reimbursement for the
program

I am still slowly cleaning out my upstairs room and
have sent all my ZX81, TS-1000 and TS-2068 stuff to Jack
Boatwrighht up in Oregon. However, 1 am keeping my QL
with all its programs as I can program it easily. 1 am
making room for a PC with Pentium P-90 complete with
Windows 95 Then I can get on the internet and
communicate with others who have such an address. With
best wishes,

J ohn Pegr am

HiAbed,

It was mandatory for me to change fr om @compaq net
to @email. msn.com since @compaq.net will be
discontinued as of the i 3th May. On the 8th the new CD
arrived (I pay nothing till my year is up) for the change over
but the CD would not work so I finally got on line with it
after I made several 800# calls. And from Monday Sth for
two days I could not access any email. Then I was referred
to www.mailstart.com where 1 could get my @compaq.net
mail. And for another two days I could not send email till 1
found out how to do it through mailstart. 1 finally got a nice
lady at Compaq to step me through the procedure to have

ZXir QLive Alive!

5

Summer 2000

both @compaq,net and @emai Lmsn.com email picked up
automatically. I think that is working.

The fime I planned to spend writing my column was
spent trouble shooting the changeover. I will get onto it as
soon as I can what with honeydo projects having a high
•priority here, i guess oV Murphy is laughing at me.

So don't forget to put my e-mail address in ZQA as
dslambert@emaii.msn.com..

! was perfectly happy with (g.compaq .net but it seems
that @emai! msn.com is faster.

Don S. Lambert
dsl ambert@emai 1 . msn. co in

Sooooo, f finally got: oil" my iazzzy butt and sent some
folks some stuff.

Luke Perry got Joan Kealy's modem and a gr ab bag. of

tape SW, with emphasis on DTP wanted to send him

Lemke's stuff but couldn't find a full suite w/o pawing
through more than two boxes, but will pursue that .

Al Feng got a QL to replace one that bit the dust.

And Gil Parrish got the only AJ Microdrive wi a bunch

of stringy floppies many with SW.

I sent all by USPS, with tracking numbers, so via the
Web so I knew when they received their goodies

I've heard from the first two, bur not from Gil Will
ask how it's working after sending this.

Hope all is well with you and yours and this crazy
end-of-t he- world weather will settle down for what looks
like a very hot summer .

Jay Shepard

jshepard@netins.net
Guys, I am sooo glad to hear that the store is finally
working out foi the Sinclair community needy. Jack, 1
wonder if you have similar items to report? This would be
good input for the newsletter. Also guys, is there a spare
1.6.K Sinclair RAM pack in one of the stores? This request
comes from dutican(^nriilitary.com (Duncan Haberly)

{GATOR} ==— ■

Hello!

Sorry my bad English I'm from Argentina, and I have
a TK85, clone from the TSJ500 I have tapes for TK, and
convert this to p files (for the Xtenders, ZX81 emulator)
the problem is the

Fortress of Zoriac

I really love this game, but the tape is corrupted, look for it
in internet, but I could not find it Would you know where
to find it? I will thank him very much a help Greetings
from Argentina

Juan Carpio

j uanchuscar @y ahoo . corn

Thanks abed, really thanks you if you need something,
send me an e-mail, please

hi an

(DATIUC3-

Now Direct jZOpJi! Members

John Donaldson, QL

835 Foxwood Cir
Geneva IL 601 34

fid.niasn@aoi .com
6302326147

Mark Dorlnson, TS2068

PO Box 351
Frankfort IL 60423
74200 2 5 7@compuserve . com
7087551833

Cy Herre, QL

666 S Bluff St 802
S Beloit lL 61080-2166
cyherre@aol.com

Phillip Kwitkowski, TS2068

2 106 Dover Ln
St Charles IL 601 74
kwit80@,ao] . com
6305846710

Dean Mikoiajczyk, TS1000

4714 Arbor Dr #207
Rolling Meadows IL 60008
deanm97493 @aol . com

Frank Mills, TS2068
417 S 47th Ave
Bell wood IL 60104-1723
effem@yahoo com

Larry Sa liter, TS206.H

7747 W Bryn Mawr Ave
Chicago IL 6063 1
7737635383

Lee Thoresen, TS2068
45 Hickory Ln
Crete IL 60417
74200.257@compuserve.com
7086729066

- -== (GATOR) == —
Robert Swoger. LarKen, TS2068

613 ParksideCit
Stream wood IL 601 07- 1 647
clubbbs@aol.com
6308377957

Sinclair E^M&WMM

Anderson, Paul

pander sn@peakpeak . com

Anson, Gerald

j en ya@aztec . asu . edu

Barker Robin

robm@di-ren . demon . co , ufc

Bennett, Dave

Dbennett7@freewwweb . com

Boatwright, Jack.

jboatno4@outlawiiet.com

Boehm, Al

boehm@zipliniv.net

Boehm, Bill

boehm@pih . af. mi 1

Burrell, Jeff

JBmTell@endocardial.com

Burt, Richard

ajh@intranetca

C. A. T. S.

nif:0002@epi : 12.eptlbaito.org

j Cable/Bill

cable@cyberportal. net

| Carpio, Juan

iuanchuscarf^yahoo .com

1 Castro Antonio

castrox@portoweb.com.br

| Catotti Christopher 1

kd4ace@compuserve.com

i Chambers, George

CTfchamb@pathcom.com

ZXir QLive Alive!

Summer 2000

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J Franks John

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J Ganger, Gary

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j Gilbert, Robert

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viij vv y u,jvJiivo\tt/Vi|. ^vjiiiivL.^/v/. Lift

Jones, Terry

i.j w 1 1 v o VJ^y *• * *■**■* J.11C . vU 1.1.1 |

Kaczor, Jon

Kahale Abed

ft k a n ft I p/J?) mtn i «prvp rotir^ I

<*.lVCUi<ll.W\><<^\JixI|Jt43v^ V v. will f

Kealv Harriet Joan

hikpalvfTrJ^riniir, hilronpt paiti i

i ij riV'CH^ vi^vCtvlI.lllIl. I1.HVV? 1 ICl. ^jXJls i j

Kenny Larrv
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IfirivPri/iTi^lrirtTj e& \

Kineslev Ed

■ V i , ., 1

wvJ.iv~Uuty / t*,v/ & . KvV ill.

fCnvszek Theodore

Kondrac Mike

niJra nrfrarfWan} rnm

l iiiVti-ii uii. 'av\i'&> f 'avri., vv til

Konisi Lfrs

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Inu't k7//5)?in! mm

fCwifkowski Phil 1 in

IdAfttROfTjifini mm

IS. W t.lOvi iAJ.OXJ V. vV^Il 1.

M „ «

Lambert Donald

Lancaster Garrv

fiharkhia^dlplnhi mm

Ullu.1 IVili^ci^W,/, \X. w 1 LV . uV 111

Lanciault Francois

fi'ancois.iaiiciaultf^energies.alstoin.ca

Lassov David

pmanonf/5)fl7<;f arnpt rnrti

LaVeme Melvin

mla vprnprt5)i]sit npt

11.1 I CL V tiV'\tX^Ci.£J«.t. . t IVj L

Lebowitz Dave

dk!//7)dn]iv rotn

Lessenherrv Garv

ffi74-l/'(7)firil mm

Lewis Jim

!lewi<2//?)npo loin com

Liebert-Adelt Peter

A ^— *-= 1

n liphprr//7)t-rvnHrip rip I

Malloy, Bob

74776 2342(@comnusei*ve com

McBrine, William

wmcbrinefSclark.net \

McKelvey, William

^ 1

mckelveyw@delphi.com

} Mpr? inrhpn

i t y\ f*V7f7y) t~— i~\ 1 1 1 1 n p A p
| lllCi Z-Ui/.L~wiilliiC. tlC

j Mikolajczyk, Dean

d.eanm.97493 @.aol . com

j Miller, Seymour

™

j sey mil@,deiphi . com

1 irjiira, rrdLJA. | eiieni(tuyanoo.coni

1 sviuiri, dud j ooDtceepti i ^.aoi.com

j i ionon, ijary i gnonon(«iw on a. stu.com

1 1 diiiMi, vxu j gii.pa'risn{«/,aDdnet.org

[_ i ■;- ^ ° .

rayne, josn j j0Siipayne{tfiui groot.com

Pazmino, John j john.pazininoijaimoondog.com

Perry, Luke j doidy34tSyahoo.com

Perry, Russ Jr i siapdash(a)enteract.com

Radlorf, Toby j tobyradlofF(S,webtv. net

Rampoila, Joe I jprampolla@blazenet.net

tvigicl. Will

ngter(tycatc.iiet ;

Rish, John

7460 1 . 1 53 5@compuserve.com

j Shepard, Jay

jshepard@netins.net

! Simon, Thomas

73 1 77.333@compuserve.com

| Skapinski, Thomas

tslcapins@j uno. com

| Solly, David

ac355@n.cf.ca

j Stegman, Dan

danesteg@juno.com

j $ wen son, Tim

swensontc@geocities com

1 Swenson. Tim

swensont@sir"cli ve. csd . sgi . com

r 1

f Swentko, Wally

vvs went ko@rnaroon .tc. umii . edu

1 Swoger, Robert

ceng i 08@emad . mot.com

Taylor, Jeff

j ei.aylor@mdrobof.ics.ca

Thoresen, Jeff

74200.257@compuserve.com i

| Waidman, Stephen

l.)iogme@hotmai.l.com

| Walterman, Don

waiter m@ix. netcom com 1

Watson, Keith

keith watson@juno.com

Wood, Roy

qbranch@qbran.ch.demon..co.uk. ]

Zimmerman, George j

gzi rn m er 92 8 @ ao 1 . com _J

OB.

LM LM m UK

EnBil dsfe^sa

Welcome to the Web Based
QL Email Users Database.
Your email details have now been added to

the database.
If you have a password you are now able to
access the database and modify/delete your

own record.
Should you forget/misiay your password, use
the *forgot* facility on the database search
page to email you a new one.
If you do not have a password, go to
www.quanta.uni.ee and enter the database.
Enter your email address and press submit.
You will then be emailed a password.
Regards

Quanta Support
www.quanta.uni.ee

Sender: wwwru n @ w ww jaki n te rn et . co . uk

£Xir QLive Alive!

Summer 2000

From The Chairmans Disk 3

Donald S. Lambert

f"""l 1 y plans to get things done T/S computer wise
I \ v H ^ ot sidetracked by honey do projects one of

which was a biggie,

That was to do some landscaping in front
of the house If we had gotten the proper
amount of rain the ground would have been soft. But it
was hard as dry clay can be. I finally got that done
although there were several trips to LOWE 1 S (which is
about a half mile away) to get plants, border stones and
such A place nearby delivered a yard and a third of small
river polished, stones to put down,

Not to forget all the trips to school events with our
youngest grandchild and her activities in band, chorus and
ballet. We will go to her graduation from middle school
(8th grade) the twenty fifth of May .

bile I did not get a copy of the program to accept
the upload from the LASER PCS to a PC 1 did get
PC TOOLS 7 1 which includes such a program
The set includes eight disks (720K 3 5) and ten manuals .
When f have time that 1 won' t be interrupted for several
hours I will load them into the PC and try that out
One of the interruptions has been tornado warnings wince
we live in tornado alley. None have touched down and did
damage near us one of the employees of STAPLES which
is on this side of LOWE's saw a funnel cloud came down
but it went back up before it got. to our area When we
have storms I do not use the computer

have learned that most of my troubles with the PC have
been the fact: that they don't use the same words as
Tiinex/Sinclair did. For instance a directory on T/S is a
FOLDER on the PC and FAT (File Allocation Table) are
disk sectors. There are other such changes of terms.

lost a week when

Compaq.net quit and I was
switched to MSN. I had paid
Compaq.net a year in
advance and there is no
money difference till after
that is up. BUT, The CD that
was sent to make the change
didn't work.

called Compaq tech and
they didn't know what was
going on So I called MSN
and I was requested to use
the MSN signup that was on
my computer in Windows
Desktop That got me loaded
with MSN However! I now
had a password problem and
a conflict of opinion by both
Compaq.net and MSN as to
who was in charge of getting
me on line And part of the
trouble was the fact that I had
used a 6 character password
with Compaq not and I had to have at least an 8 character
password with MSN So I had added four' characters to the

Compaq password and neither would accept the others
password and they could not let me give a different one.
For two days i couldn't access my e-mail and then the next
two days I couldn't send any Then I got a nice lady at
Compaq to step me through the process to got that

d. So far I have not had a problem with MSN.

have checked out the Z88 and the DISK-88 (XOB)
which is the software/hardware for the battery operated
Radio Shack Portable Disk Drive 2 (battery operated.)
and found out that one of the two disk drives that I have
has failed. But otherwise the interface and the disk drive
operates correctly. But is it of a single sided 3 5 disk drive.
A disk holds 202,24 K in two directory banks and of
course it is a low density disk drive. Of course the
EPROM's are more portable but use up the internal
batteries far more quickly

a checked out the LASER PC3 and it works and I got the
cassette port to operate after i set the volume on the
recorder at the proper level it is more compact than the
Z88 but I don't know how long a set of batteries will
operate the unit

^pTs oth the Z88 and the PC.3 have serial cables to a PC.
I^A Of course the PC end is a 25-pin connector since the
technology was of the late I980's. I have a cable
made up by MR. FDQT of Smart Computing to go
between the Z88 and the LASER PC3. Mr. FIX1T is not
on the staff of Smart Computing and is a helpful person
much like the people with Timex/Sinclair computers. I will
have to test out each cable. I have already tested the Z88 to
PC cable but lost the upload As I learn more about the
workings of the PC maybe I can get it to work.
Seems like every time i try something that I end up

Chiricahua Apache, Left to right: Geronimo, Chihuahua, Nana, Loco, Josanja (Ulzana)

smdying a half dozen books and get confused by all the
information. But J slowly learn but get frustrated. 0/0

ZXir QLive Alive!

8

Summer 2000

Pit
mi

mm

Pnvf
1 15 A*

ITii

#1 1<

t iilft/'i

i ll I

rim
Hit?

I *1

If 1J

ar

inir 1 /I
rOH 1/

5 V

M - David So lly

^Occasionally, after downloading a text file from an
1 |eiectronic bulletin board (BBS), or, converting
v HiSoft® PASCAL source code files into an LKDOS
file, the file may fail to write to the screen, print, or load
into M-Scfipt 1 This kind of problem is most often caused
by rogue bytes which enter the text through line noise, the
process of conversion, or perhaps from the operating
system of another word processor, and interfere with the
Sinclair operating system The following Pascal program,
once compiled, will quickly load an LKDOS file or an
ASCII text file, remove from the file any rogue bytes
encountered, compact the file, and provide the user with
option of saving to disk by overwriting the corrupted file
or saving under a separate name. The PASCAL source
code listed below was treated in this manner.
LKDOS Files from Sinclair B ASIC listings

Sinclair BASIC listing mav also be converted into an
LKDOS file, however, the resulting file may still fail to
load into M-Script or print on a foil-sized printer This
is because in addition to the possibility of having picked
up a few rogue bytes during conversion the listing may
contain Sinclair block graphics and user' defined graphics
'These graphic characters pose a special problem because
they fall neither within the range of 7-bit ASCII nor
conform to any 8-bit ASCII standard.. It is necessary,
therefore, to bring all Sinclair graphics into die range of 7-
bil ASCII before applying the filtering process by using
this additional piece of code
1.200 CONST

L20J5 OFFSET - 79; (* Sinclair

graphic to 7-bit ASCII *}
1400 FF ( LETTER IN [128.. 1641) THEN
1410 POKE ( (START +

COUNT) , I LETTER - OFFSET) I ;
|he final result of this piece of coding is to change all
user defined graphics from UDG 'A' through to V into
normal ASCII *A' to V" and swop all the block
graphics for a character between '1 ' and '@\

m
i

Filter

Seven Bit kU

ma ma Ih ilirM Solly

100 ( * $L- * ) {* COMPILE OPTION, P. 35 IN
MRMIJAL * j
110

1.20 PROGRAM ASC1IFILTSS;

.122
1.23

125 (* STORAGE LOCATIONS FOR LKDOS
PARAMETERS *}
130 CONST

i Au p-mam = 23300 ;

150 PROGBGM = 23311;
160 PEOGLM = 23313;
17 0

180 START = #A028; C* TEXT FILE LOAD

BUFFER * )

190 NEW START = £3C40? f* TEXT FILE COPY

BUFFER *)

200
210

220 VAR
230

240 ANS : CHAR;

250 PRINTABLE : SET OF CHAR;

260 NEWLN, BYTES : INTEGER;

270

280

290 PROCEDURE DOI'T; {* INVOKES LKDOS
WRITE *)

300 BEGIN

310

INLINE C#F3,

#CD,

#62,

#00,

#21,

#04,

#5B, #11,

320

#22,

820,

#01,

#09,

#00,

#7E,

#FE,

#00,

330

#20,

#02,

#36,

#20,

#ED,

#A0,

#78,

#B1,

340

#20,

#F3,

#3E,

#0B,

832,

#02,

#20,

tfCD,

350

sec,

#00,

#2 A,

#0F,

#5B,

#22,

#33,

#20,

360

#2A,

tm.

!15B,

#22,

1131,

#20,

#CD,

#CF,

37 0

#00,

#3A,

#64,

#00 f

#FB)

0

iso men

390 400

€10 PROCEDURE DIN; (* INVOKES LKDOS READ

420 8 EG DM

4-30 THTjm i»F3, #00, £62, $00, #21,

m 4 ,

#5B, MCI,

440

#22, #20,

#01,

#09,

if 00,

#7E,

# EE ,

m®r

450

#20, If 02 ,

WM t

#20,

#ED 7

#A0,

#78,

#81,

■460

#20, #F3,

#3E,

#0B,

#32,

#02,

#20,

#C.D,

470

#C6, #00,

«2A,

80 F,

#5B,

#22,

#33,

#20,

480

#2A, #11,

#5B,

#22,

#3.1,

#20,

#CD,

#C9,

490

#00, #3A,

#64,

#00,

#.FB) ;

500 END;

510

520

530 PROCEDURE SPOUT (C ; CHAR ] ? (*

PASSES CODES TO THE ROM" k }
540 BEGIN

550 IMLim i&m, #21, S3 A, #5C, #D'D,
#7E,

560 t, mi)

57 0 END;
580 590

600 PROCEDURE AT fx, 1 : INTEGER); \*
EMULATES BASIC >M' ")
610 BEGIN

620 SPOUT <C£ffif22) ) 7
630 SPOUT {CNR (X) 3 ;
640 3 ROOT (CHS \Y\) 7

650 END;
660

670 PROCEDURE CLS; f* EMULATES BASIC
COMMAND A -)
680 BEGIN

ZXir QLive Alive!

Summer 2000

690
700

PAGE;
SPOUT

(CHR{22) ) ;

(0) ) ;

7 20 SPOUT «
7 30 END;
740 750

7 60 PROCEDURE GET FILE ;
770

78 0 VAR

7 90 FILENAME : ARRAY {i..9j OF CHAR;

800

810 BEGIN

820 WRITELN;

630 WRITELN ('FILE TO RETRIEVE FROM
DISK? ■);

84 0 WRITELN;

850 READLN;

S 6 0 READ ( FILENAME } ;

8 7 0 POKE ( P ROGNM , FILENAME } ;

880 WRITELN { 1 HOW MANY BYTE IN FILE? f );

8 90 WRITELN;

900 READLN (BYTES } ;

9 J 0 POKE {PROSLN, BY5PES) ?
92 0 POKE \ PROGBGN , START ) ;
930 DIN;

940

950 END ; f * GET FILE *)
960 9 70

980 PROCEDURE STORE FILE (NEWLN : INTEGER) ;

990
0000 VAR
1.010

1020 FILENAME : ARRAY { I. . 9\ OF CHAR;

1030

1040 BEGIN
1050

1.060 SfRITELN;
1070 WRITELN;

1.080 WRITELN ( *NEW NAME FOR FILE? •} ;

1030 WRITELN ;

I. J 00 READLN?

1 I 1 0 READ { FI LENAME ) ;

1 12 0 POKE f PROGNM, FILENAME j ;

1130 POKE ( PROGBGN , NEWS TART } ;

I. 140 POKE { PBOGLN, JSlEWLN ) ;

1150 DOUT;

I. 160

1170 END; (* STQREFILE *}

II. 80

1190 PROCEDURE FILTER {VAR NEWLN :
INTEGER) 7
1200

1.21.0 vm

1220

1230 LETTER, COUNTER, SCRATCHED :
INTEGER;
1.240

1250 BEGIN
1260

1270 PRINTABLE := [ ' 5 , . 5 } 5 j ;

1280 COUNTER := 0;
12 90 NEWLN := 0;

L300 SCRATCHED 0;

1310

1320 COS; AT ( II, 3) ;

1330 ISRITEi 'WORKING 1 KEEP 7ER SHIRT QUI 1 };

1.3 40
1.350

1360 REPEAT
1370

1380 LETTER := PEES ( f START +-
COUNTER) , INTEGER ) ;
1390

1400 {* ENTER HERE Ally SPECIAL ROUTINE *)
1410 (*• REQuTRED TO HANDLE SINCLAIR *}
1420 (* GRAPHICS OR 8 BIT CHARS *)
1425

1430 IF (CHR (LETTER) IN PRINTABLE) OR

1.440 {LETTER IN [13, 27 j) THEN

1450 POKE { (KEWSTART + NEWLN) , LETTER)

1400 ELSE

1470

1480 SCRATCHED := SCRATCHED fl;
1490

1500 COUNTER := COUNTER f- 1;

1510 NEWLN := COUNTER - SCRATCHED;

1520

1530 UNTIL COUNTER = BYTES;

1540

1550

1560 CLS; AT (11, 12) ?
1570 WRITE ( ' FINISHED !');
1580 AT(15,0) ?

1590 WRITELN ( 'NO* OF LETTERS REMOVED: %
SCRATCHED) ;
1600 WRITELN ;

1610 WRlTELBr{*SO. OF" LETTERS COPIED: %
NEWLN ) ;
1620 WRITELN;

1630 WRITELN ( 'ORIGINAL LETTER COUNT: *,

stress ) ;

1640 END; (* FILTER *)
1650 1660

1670 BEGIN {* MAIN PROGRAM *)
1680

1690 REPEAT
L700

1710 CLS; AT ( 5 , 0 } ;

1.720 ftfSiTELN {'SEVEN BIT ASCII FILTER* } ;
1730 AT (1,0) ;

1740 WRITELN f T THIS PROGRAM IS FOR
REMOVING * ) ;

1 750 SfRITELN f * STRAY CHARACTERS FROM AN
ASCII' ) ;

1760 SfRITELN ( ' FILE HHICH EIGHT
INTERFERE * ) ;

1.770 WRITELN { ' I'M THE NORMAL OPERATION Of
A ! ) ;

1.780 WRITELN ( "WORD PROCESSOR. * } ;
1790

1800 GETFILE;
1810 FILTER I NEWLN ) ;
1.820 STOREFILE (HEWLN J ;
1830 WRITELN;

1840 WRITE ( f ANOTHER FILE? «);
1850 READLN;

I860 HEAD (ANSI;
1870

1880 UNTIL CANS IN PN% 'n* \ ) ;
1890

1900 SfRITELN;

1910 WRITELN ( 5 TYPE RUN TO RESTART
PROGRAM* j ;
1920

1.930 END.

* UCDOS is able to convert Sinclair BASIC listings and
some other types of tofcenized texts into straight ASCII
text and save them to disk as a sequential file. For this
article they will be called LKDOS files

ZXirQLwe Alive!

10

Summer 2000

EUL

13

Hi

Eak on Efi Spaairiiin

Less Cottreii

It's impossible to calculate it yourself* because any
programs you right will mean you get the wrong answer.
The only way I can think of to get this value is to load the
game as normal, and stop the game with a Multiface as
soon as the timer hits 000. Then put a breakpoint at #8C35
and return Wait a tew seconds, then reactivate the
Multiface and have a look at the stack The first value will
be #8C35, the second will be the value of HL you want.
You should find it's #4DBD Carrying on the disassembly. .
8C35 21 00 58 LD HL, #5800

8 C 38 1.1. 01 b 8
01 WW 02
3E 36 00

d n -a n

i-fA-jf n ~* vj j,

r n

8(

JjjJ

k..*'w j» rr U a: £

(HL) , #00

8C40 ED B0 LDIR

8C42 El POP HL

This clears the screen and restores the value of HL, which
is used for the following decrypter,

8C43 1.1 60 8C LD'DE,#8C60

8C4 6 0.E 29
8C48 7C
8C49 65
8C4R 4 7
8C4B 09
8C4C I A
8C4 D AD
8C4E 1.2

LD C, #29
LD A,H
LD H,L

LD B A

8C4.F 6F
8C50 13
8C51 1A
8C52 AC
8C53 12
8C54 13

LD A, ( DE )
XOR L
LD ( DE } , A
LD L,A
INC DE
LD A, (DE)
XOR H
LD (DE) ,A
INC DE
8C55 CB 7 A BIT 7,fJ
8C57 20 WO .IB HZ, I8C49

8C59 FB EI
8C5A 67 LD H,A

8C5B 11 70 71 LD DE, If 7170
8C5E 1.9 ADD HL., DE

8CSF E9 JP (HL)

first of all, POKE #8C40, #8C41 and #8C42 with #21,
■ #BD and #4D respectively (so you get the right value
of HL), put a breakpoint at #8C5B (nearest place possible
to the JP (HL) that we can place a breakpoint), and JP
#8C40. On return, the value of HL is #38F5. Add this to
#7170 (which is what happens in the next two commands)
to get #AA65, This is the start address of the game So put
a JP to your POKEing routine (anywhere from $5800 to
#5BA0 is fine) at #8C5B, and finish your POKEs with a JP
#AA65.

B| ou will have to do a stack trace to find infinite lives in
I the actual game itself. There is a complete hack for this
game by myself in YS #78, so why not; disassemble it and
have a look It's slightly different to what we've done in
that it intercepts the RET at the end of the loading system
rather than mimic the first headerless loader, and puts a JP
back to the hack at #83C3, but apart from that, it's more or
less everything we've discussed above put together.

mm nuiErrs vmrnnm svsTEm

([ his has been used on a few Ocean games, but is in fact
8 a standard headerless loader in disguise. The value of

A to use is always #98 Load in the BASIC loader and the
first block of code, then stop it with a Multiface, and use a
stack trace to find out the values of IX and DE for each
block, and the JP to the game,

fP> oncluding the look at protection systems, I think it's
Hjonty fitting that we end in quite possible the most
famous protection system of all time.
Speedlock was first written by two guys called David
Looker and David Aubery Jones around Late 1983,
although it wasn't commercially used until October 1984,
on Daley Thompson's Decathlon, by which lime it had
reached it's third version. Since then, it has been used by
many major software companies, especially Ocean Its also
gone many modifications, and can be split into three
distinct generations.

If should state at this point that you need to have a

■ Multiface to crack most of these Speedlocks, because
they completely disrupt the operating system which will
lock up any disassembler which relies on ROM routines
The Multiface relies on its own ROM, which isn't affected
by the Speedlock code.

■ ype I - have one or two BASK" loaders, and load the
9 main code with the infamous "clicking" leader tones

(you know, instead of a steady "bleep", they go "blip, blip,
blip, blip" a few times)

'W ype 2 - have one short BASIC loader, a long CODE
B block, lots of annoying beeps, then a similar loader to
Type 1 , minus the clicking leader tones, plus a countdown
timer

"W ype 3 - as for Type 2, except, there is just one very long
I BASIC loader The protection system crashes if a
Multiface is left switched on. Mazemania on Y'S #77
covertape used a Type 3

WQo, let 's start at the very beginning (a very good place to
lH start) with Type i. fn fact, there are about, four
different difficulty levels of Type 1 Speedlocks, the
difficulty goes in chronological order (as you might
expect).

V he very first Type Ones were completely different to
B later ones, having the same initialization routine, but a
completely standard decrypter. The only differences
between this Speedlock and an ordinary decrypting loader
were its initialization routine and its use of the FY register.
We came across index registers when we first met
headerless loaders There are, in fact, two index registers,
IX and IY In BASIC, the IX register is free for use in a
machine code program run from a USR command, but the
IY register must always contain the value #5C3A, which is
the base address of the BASIC system variables which are
wiped with a NEW command, if you return to BASIC with
the value of IY anything other than #5C3A, the computer
will crash, even if you use the "exit to BASIC" feature on a
Multiface. The value of IY must also be #5C3A whenever a
BASIC interrupt occurs. Both Devpac and 007
Disassembler run under' the BASIC interrupts They also
use built in ROM routines, such as those to check the

ZXir Olive Alive!

11

Summer 2000

keyboard and print text; this is preferable, otherwise they'd
have to waste memory rewriting their own versions of the
routines. Hence the value of iY must always equal #5C3A.
The only safe way of using the IY register is to disable
interrupts and write the whole program in RAM without
using any built in ROM routines And Speediock fits this
bill exactly, so it uses the IY register tor most of its

s

? peedlock code also uses a lot of* undocumented

I instructions In theory, you cannot split the sixteen bit
IY register into two eight bit registers. But the processor
doesn't understand this, and you can split the IY register
into two if you want , You simply put the code #FD on the
front of any instructions using H or L. There are no
standard, names for the two halves of the IY register, but I
will refer to them as IYH (Hi part of IY) and IYL (La part
of IY)

jow let's hack a Speediock game. To start with, I'm
I hacking Knight Lore, but the following games are also
suitable; Beach Head, Daley Thompson's Decathlon,
Gilligan's Gold and Underworld Anything released after
these will be explained later.
So first *Hack the BASIC loader.

KNIGHT LINE 0 LEN 103 7
0 BEEP 0.1,1: BEEP 0.1,2: BEEP
0.1,3: BEEP 0.1,4: BEEP 0.1,5: PAPER
0: BORDER 0 : INK 0:. BRIGHT 1 : CLS : PRINT
BRIGHT l/INK 0;AT 9,5;

"LOADING : KNIGHT LORE" ; AT
1 2 , 1 0 ; " P LEAS E WAI T "

0 POKE (PEEK 2 3 64 1+25 6* PEEK
2 3642) , PEEK 23649: POKE { PEEK 23641 r
2 5 6 * PEEK 2 3 642) + 1 , PEEK 2 3 6 5 0
0 POKE (PEEK 23613+256*PEEK
2 3614) , PEEK 2362 7: POKE ( PEEK 2 3 6 1 3 \
256* PEEK 23614} +1 # PEEK. 23620
0 POKE 2 3 6 62 , PEEK 2 3 618: POKE
23663, PEEK 2 3 619: POKE 23664, PEEK 23621
23 676 "REM. CLOSE #ATTR . . . .

fait a minute, there's absolutely no sign of a
I RANDOMIZE USR command anywhere! There 7 s
just some BASIC which beeps a bit, sets the colours, and
prints a message, a whole load of POKEs, and then a load
of garbage. Surely the computer will do everything, then
report with an error message as soon as it reaches 23676?
Well, that's not actually the case Look at the third line 0
(the one which starts POKE [PEEK 23613 1256* etc.)
This system variable is known as ERR SP,. What happens is
that when an error occurs (and it will do here), the
computer jumps to the value in this register This value is
PEEK 23627+256*PEEK 23628 PRINT this value, and
there's the start of the machine code. You might get a
different result to me, but I made the start address #60A8.

Disassemble this address.

60A8 F3 DI

6 OA 9 FD 25
60AB FD 7C

DEC IYH

60 AD FD AD XOR IYL

The DI is yery important, because otherwise the I
register can't be used Given that iY starts off as being
#5C3A, the value in A will end up being #5B XORed with
#3 A, which is #61.

6 OAF FD 2 6 F3 LD IYH, #F3

60B2

rr n r~* s~

ouau

A6 LD L'i Is, ffiib

60B7

60BA FD E

54
3

r.n nr ,
EX (SP

3 - FE 5 4

WT irst of ail, this loads [Y with the value #F3A6. It then
■ decreases the stack pointer by two By doing this, the
stack pointer is now pointing to the start address of the
machine code, which is #60 A8. EX (SP),IY is a variation
to the register exchange commands we've already come
across. It basically swaps the value in the address pointed
by the stack pointer- with the value in the I Y register. So,
after this instruction, IY will contain #60 AS, and the value

Ult LUC lO}J Ol tilC SLCl^iS. Will uc ttr mu,

60BC 21 30 F2 LD HL, #F230

60BF FD 09
60C1 01 AC
60C4 FD 5D
60C6 FD 54
60C3 EB

ADD IY,BC
. LD BC,#01AC
L D E , il L
LD D, IYH
EX DE , HL

■J ere, HL is being loaded with #F230. The value in BC
m I (#FE54) is added to the value in IY (#60 AS), making
the value in IY #5EFC Then BC is loaded with #01 AC,
and the value in IY is transferred into DE. Then the values
of DE and HL are swapped. So, by the end of the code
we've looked at so far, HL will equal #5EFC, DE will
equal #F230, BC will equal #01 AC, and A will equal #61
These values are all used in the decrypter which follows

XOR (HL)
LD (DE) , A
LD (HL) , A
INC HL
INC DE
DEC BC
FD 6F LD I.YL,A
78 LD A, B
OR C
7D LD A, IYL
F2 JR HZ, #60C9
RET

H his is a straightforward decrypter, except the value for
ffl A (which is needed throughout the decrypter) is

tempor arily stored in part of the IY r egister The RET is to

#F3 A6 (the top value on the stack).

To crack this, we can set up the register values
manually, CALL the decrypter, and then hack the main
loader ourselves Type out this program :

60C9 A
6 OCA 1
60CB
6 OCX.
60CD
60CE
60CF
60D1
60D2 Bl
60 D3 FD
60D5 20
60 D7 09

7E
23
13
0B

5B00 F3
5B01 21 FC
5B04 1.1 30
5B07 01 AC
5 BOA 3E 61
5B0C CD C9
5B0F FD 21
5B13

DI
5E
F2
01

60

3A 5C

LD HL,#5EFC
LD DE, #F230
LD BC,#01AC
LD A, #61
CALL #60C9
LD IY, #5C3A

PS otice that we've disabled interrupt
I Band we need to restore the value of IY to #5C3A
afterwards, so your disassembler won't crash RUN the
program, and have a look at the code at #F3 A6 . You'll find
it's just a straightforward headerless loader with absolutely
no frills, and you should, be able to hack it no problem
As for the final hack, load the BASIC into address #5CCB,
run the decryption routine above, patch the SP in the mam
turboloader to your- POKEs, and start running.

ZXir QLive Alive!

Summer 2000

P| 11 other Speedlock Type Is have the same sort, of
im decrypter. The code for the decrypter is very
complicated, with the result that I have been unable to
reproduce it here. Lucidly, you don't have to touch the
code; you can write your own decrypter as long as you
have a Multiface.

J '11 be doing Tapper as an example, but any other
9 Speedlock follows this procedure almost exactly. *Hack
your game and note down the length of the code (you'll
need it later). 1 made it 1453, which is #05 AD hex.. Now
look at address #5EFD. The byte at #5EFD is always
decrypted to give the byte #42, and the byte at #5EFD is
always decrypted to give the byte #55. The decrypter
works by XORIng the encrypted byte with a number taken
from tlie R register By inspecting the code before and after
running, you'll see the XORing number starts off as #CB,
and increases by #0A each time. If the result is more than
#FF, the result has #80 subtracted from it. We can
incorporate this into our decrypter- The start of the code is
#5EFD, and the length is (PEEK 23627+256*PEEK
23628)-#5EFD, which is #01 ED in the case of Tapper. The
following code will simulate the decrypter

LD HL,

LD BC,

LD D,
*** LD A, (HL)

XOR D

LD (HL) ,A

LD A, D

ADD #0A

SET 7, A

LD D, A

INC HL

DEC BC

JR NZ, ***

Once you've done that decrypter, you've got to do the
whole lot again, starting at #5EFD The byte there will be
decrypted to either #3E or #ED - you'll have to guess
which decrypting value to use For Tapper, the start is
#5F2B, the length is #1BF, and the second decrypter value
is #AB.

When you've done that, you'll either get the complete
loading system or another decrypter. If you've got the
loading system, then reload the BASIC loader, and do a
stack trace to find out where it should go You should have
no problems with the loader.

If you've got another - decrpyter, go along five bytes and
find a LD DE,{X.X.XX).. Add #2E to this value, and that's
where you move it to The length is the same as that for the
second decrypter The decrypter itself can be cracked by
changing a JP Z in the code about forty bytes later (the
value of this is the start of the turboloader), but the
decrypter itself uses a byte which is worked out by adding
all the memory together' in the loading system. Since we've
got an exact copy of this system elsewhere in memory, just
change the value of XXXX in the aforementioned LD
DE,(XXXX), and then JP to the start of the decrypter

8 f the fir st decrypting value you used was #CB, then you
can just change the JP in the turboloader to your
POKEs!

If the value was #CD, then you'll need to know about the
Standard Speedlock patch Somewhere in the loading

system there will be the two bytes ED 53 [LD
DE,(XXXX)]. Change the XXXX to the address of your
POKEs (#5BA0 is normally safe), and end your POKEs
with a JP to the value you overwrote. You'll have to use
this patch for the later Speedlocks as well.
~J"" here was a Speedlock Type I M'ultiPOKE in YS#79.
9 RUN the program, press BREAK and disassemble
address #5B00 to find out what to do in your own hacks
Type 2 Speedlocks feature a very easy BASIC loader, and
one big block of code, which has six short decrypters and a
complex moving routine The decrypters are all easy peasy,
just move them to somewhere else in memory (such as
#5B0Q), bung a RET on the end, and CALL the decrypter
from there (but watch out for the third decrypter, which
checks for a Multiface and cr ashes if it finds it . The moving
routine fiddles about with the loader.. Search for 3 i , which
means LD SP,XXXX. Hopefully, you'll find a LD
SP,#0000, with perhaps a DI right before it. Write down
the address and run die moving routine (you may have to
restart, the tape, because some of the moving routines insist
on a signal coming into the tape recorder). Use a stack
trace to find out where the code has gone to. Now you can
move all the code from the moving routine to the end of the
machine code block to where it should be, given that you
know where the LD SP,#0000 goes to Once moved, patch
the loader in the same way as the first Speedlock .
W ype 3s have just one long BASIC loader, with about
m 144 decrypters, but that's nothing to worry about
*Hack the BASK"; loader, and have a look at the first bit of
code which moves the rest of the code into the right place
(you can then use a headerless loader to load this into the
.right place in memory). The tricky bit is changing a byte in
memory so a CALL to the loading system at the very top of
the code is changed to a CALL somewhere else once all the
decrypters have been run The only way you can do this is
to change the address of the hi byte of this CALL to
something else, and RUN the huge load of die decrypters
The computer wilt crash if you have a Multiface attached,
but oniy after everything's been decrypted, so then look
and see what the CALL'S been changed to [fit's suitable,
remember the patch, position your hack, around this, change
the CALL to what it should be, and put in the usual
Speedlock patch. Look at the start address in the
turboloader This address will be overwritten by a decrypter
once loading finishes. This decrypter is nothing special, so
just crack it as usual, and watch out for the game moving
around.

Jon North's Pokerama Tapes usually have a Speedlock
Type 3 crack on it - load up the Pokerama, choose your
POKE, then do a stack trace to find it and have a look at it

Pert 1 - Eplcpia

S 8 jell folks, I'm sorry to have to break this to you, but
■JLJ I've just about told everything you should ever need
to know to crack every protection system under the sun So
I'll just say some final words and credits, and then sign off,
okay?

The idea of this book, its production and its writing were
done entirely by Richard Swarm, from February to June
1992.

ZXir QLive Alive!

Summer 2000

ionie suggestions and tips came from two people to
Uiwhom this book is dedicated, Matt Corby from "dowrt-
the-road", and Niait "Mr Incredibly Technical 7 ' Daley.
Thanks, guys!

f hanks to YS for putting disassemblers and the like on
9 recent covertapes; it saved me the trouble of writing
one!

Thanks to Jon North for some of the info on hacking he
gave to me on disk recently - much appreciated, mate

Thanks for YOU for buying this There aren't many
Speccy hackers around right now, so we need to make
the numbers up. Good luck!

1 } hat's that? "I don't understand this bit at all!" 1 hear
I you say Well, send me any queries that you may
have about this book, stating exactly what the problem is,
along with an SAE (very important that), and ['11 do my
best to reply to them. DON'T write to me asking me to
hack a whole list of games for you - I just haven't got the

time. However, I've got a big book of Multiiace POKEs
which you can obtain for □ 1 .50 and an A.4 SAE if you
want it, so that might come in handy
"jC"h.ought for the year': Seven years ago, Spectrum and
M Commodore owners were at each other's throats
Spectrum owners would vow never to have anything to do
with Commodore. Then why do I hear of so many
Spectrum owners that have upgraded to a Commodore
Amiga? Personally, 1 can't stand the Amiga's operating
system - it's terrible!

| ■ | ell, that seems to be about it, so Til just leave you
lAlknow in the hands of a glossary of terms. Happy
hacking!

Richar d Swann - June 1992

im Efia

[C] 1992 NSA Publications. No part of this book may be
copied, otherwise I'll send the Mafia round. Okay?

Msiiiory Improves With Age

by the late William Pedersen

Crazy? Perhaps so, but survival of our
favorite antique TS2068 computer depends on it
to a degree. Two advances are primarily
responsible for this. Both extend the amount and
speed of available memory, over and beyond that
in the DOCK bank.

Disk Drives improve speed, accessibility and
convenience over tape recording.

RAMD1SK has broken all speed records and
has expansion possibilities which are impressive.
Now all we need to do is find some way to bank
switch additional memory, it has been said it can
t be done because Timex expertise has been
dispersed - dinosaur chips !

While it is true that the system Timex
intended (before killing it) is highly complex it is
NOT the only system which works. The one
described in Figures 1 and 2 is just about the
minimum bank switching system. There are a Jot
of features like handling interrupts and auto-
configuring that are beyond it, but it can address
16 megabytes of memory and works with the
unmodified TS-2068.

Memory Bank (fig. 2)

There is nothing particularly special about
this memory bank. It decodes a 24 bit address and
has a dip-switch to locate 64K of contiguous
memory space at any 64K boundary.

if any of its memory is active, it drives the
BE signal low to disable LOCAL banks (HOME,
EXROM and DOCK). With this system it is
impossible for two expansion banks to be on the

bus at the same instant. (See Appendix A for
greater detail )

System Configuration

There must be some way to MAP ail or part of
memory.

The simplest way to do this is to write
programs which assume continuous memory up
to a variable limit, and warn you when that limit
is exceeded. For this, each expansion bank should
have dip-switches set from 1 to MAXBANK in
sequence.

There are better ways which allow unused
available banks to be switched around where
needed; saving $$$$. This needs some
programming overhead, but you have room for it.
Auto Configuration

This is where the computer is programmed to
go out to explore the neighborhood. Whatever it
finds is recorded into a system configuration table
(SYSCON) for later reference.. This is not easy?

A dumb device cannot be found because it
cannot answer a roll-call, it is deaf to attention-
getting methods. It can be made visible by
attaching a baby-sitter chip which can respond
and identity itself and the attached device.

A smart device listens, answers, and often
calls for attention. Still it must also accept an
order to shut up so it won't interrupt. The
IEEE488 system is a system for standardizing
command language between widely different
computers and devices, but it is still not smart
enough to keep quiet when another device with

ZXir QLive Alive I

14

Summer 2000

the same "name" is on the system bus.

Duplicate names can be resolved if they
are at different addressable locations. In this
ways one of the names can be changed to
avoid future confusion and wasted time. It
only needs to be done initially, or when some
outside event has created another duplication
(Like turning on a disk drive).

A daisy chain (USB) is one way to resolve
the unique address problem.

Another common method is to give back-
plane slots an address on a temporary basis,
(perhaps expandable using a daisy chain)

Both methods assume something about the
design of the connecting network. It must
guarantee reaching only one device at a time.

Networking

Almost by definition, a network is where
Murphy lives. Frequently the unexpected
happens. No more than three points will be made
here.

1 Statistical methods must be used to find
time slots when bus confusion is absent by
chance.

2. If this works, there is no need for
physically unique addresses, though default
names still help.

3. Any device connected to a network can
help by introducing a 3 random delays to that
natural to the system

Bank Switching
A bank switching controller (BSC) is essentially a
network switchboard. The TS2068 operating
system expects eight equal 8K wide channels
assigned arbitrarily to chunks.

The Z80, like most CPUs, has channels to
internal registers; and internally swaps between
register sets. It is a bank switching controller
itself

Machine code includes extended addressing
provided by additional fetched bytes. Prefix bytes
allow instruction sets to be bank switched.

The 8088 CPU used in the IBM PC and
clones has four dedicated internal bank switching
registers whereas the Z80 has none. This
idealistic approach for the 8088 worked like a
charm until it ran into deep water. It outgrew its
island and couldn't build a boat. External 1 v. bank
switching registers do not have these limitations.

The BSC in Figure I is similar to the one inside
the 8088, but there the resemblance ends. It has
eight channels instead of four, and can address
sixteen times as much space.

There are better BSCs than the one in Figure
1, but this one does a powerful job. It also
requires no alteration of your precious TS2068, a
good compromise.

Bank Switching Operation
The most significant three bits of Z80 address
space are used to select one of eight previously
established address extension bytes in a current
chunk owner table (CCOT). The remaining bits
address locations within each 8K channel. When
power is first turned on, and at other times when
the TS2068 needs exclusive control, CCOT must
be turned OFF. Turning it ON could be a
problem.

Fortunately we can first assign all eight
channels to HOME. The extended address is 255
for which nothing usually responds. Then nothing
happens when CCOT is turned ON. (The
"usually" reference is explained later.)
With CCOT turned OFF extended address bits
float, unless something is connected to force
them high. In effect, the OFF condition also gives
255 for the extended address. That is exactly why
HOME bank was assigned thai bank number
Bank Switching Control

Except during power-up there is no safe
place in physical memory to put bank switching
code. Onlv the fetched instruction in the Z80 is
immune. That instruction must be able to find the
BSC regardless of memory assignments. It must
use I/O (another example of Z80 bank switching).
Because GO TO and CALL are not I/O
instructions, and the machine stack is unsafe
anyway, each bank chunk using these needs to
support them with MACROS having the same
effect. The same applies to the RETurn
instruction.

The most elegant method avoids using these
by continuing the code in the shadowing bank
and leaving the chunk with the current machine
stack untouched.

This flexibility is what makes multitasking
and multi-user time sharing systems remarkably
easy to create. Each user can have his own private
partition under control of a SUPERVISOR.
Security from program interference remains a

ZXir OLive Alive!

15

Summer 2000

problem with the Z80, not like other CPUs which
provide privileged instructions. Certain
programming conventions will have to be
followed to compensate for this.

There is great pressure to reserve one chunk
to one bank to hold the system variables
(SYSVARs), machine stack and bank switching
routines. This is the technique used in the relics
of machine code remaining in the unmodified
TS2068. If repeated in each user's partition, this
is a good convention to use. it should be
remembered that it is still a convention, and need
not be followed.

The relics use memory mapped bank
switching ports. Unless these port addresses are
forbidden to be used in all banks, it doesn't work.
The BUG consists of stacking the port byte from
one bank and restoring it in another, thereby
destroying it in the new bank. There is a way to
switch stacks to resolve this problem, but is too
complex for serious consideration.

Global SYSVARs can be stored in I/O space,
so this is not a real difficulty . The same applies to
a bank switching stack run by the MACROS
already mentioned. An alternative for the bank
switching stack is to dedicate a fixed bank and
chunk for it, though this has the problem of not
remaining safe from accident.

Some of this does not apply to the BSC in
Figure 1. It has been included to show what can
be done with a more advanced version.

Control is simple. This BSC is write-only. It
has eight ports of which only four are presently
used. The port assignments avoid those to which
the ZX and TS2040 printers respond and all
known physical interface ports like the MODEM,
AERCO, LarKen, A&J, and TASMAN.
PORT D ATA FUNC TION

132" x Turn CCOT OFF

1.33 k Turn CCOT ON

134 Bank! Owner to be posted
to CCOT

135 "HS" CHUNK mask, active
LOW .

Bank # is identical to the extended address byte.
OUT 1 34, Bank # writes the bank number into a
register which maintains it as input to CCOT.
"HS" is the "'Horizontal Select" described by
TIMEX. Looking at the structure of CCOT, it
makes sense

OUT 135, HS latches the stored Bank # into
CCOT registers for which HS bits are active
LOW.

Some of the more significant bits can be
ignored in smaller systems, which explains why
EXROM is Bank # 254 and DOCK is Bank #0. A
system using only the lower nibble can still
address 1 megabyte of memory.

Control can be safer from accident by using
one of the unused ports to act as "Simon Says".
This was the real purpose of the Timex Reset
Nibble Sequence bank switching instruction,
though never explained.

Exceptional Conditions
Bank numbers from 1 through 253 are gravy, but
what about HOME (255), EXROM (254), and
DOCK (0)? Can they be implemented as real
external banks? The answer is definitely yes, with
some limitations.

HOME ROM can be replaced with EPROM
at the drop of a hat. An almost trivial case is
replacing it with SPECTRUM ROM. What is
NOT trivial is the resulting SPECTRUM having
bank switching capabilities! Repairs to the
TS2068 ROM code can be made in EPROM with
impunity. Unlike other banks, bank 255 is active
immediately at power-up. Because SPECTRUM
is a subset of TS2068, it remains a toy with which
to play. 'The real power lies in installing upward
compatible extensions to BASIC and to restore
TIMEX disabled functions like OPEN, CLOSE,
RESET and CATalogue.

EXROM cannot be directly replaced without
removing it from the case, and even then, it is not
available during power-up. The problem with
internal EXROM is that it is incompletely
addressed so an image of it appears in all chunks,
not just chunk 0.

The addressing problem can be solved by
moving the chip to a special card which plugs
into the cartridge slot. This card doesn't change
anything except to provide full addressing to
suppress the false images. Of course, if EXROM
is replaced with EPROM you can make repairs to
code. In any case, you now have chunks 1
through 7 of Bank # 254 (enabled by EXROM
signal) which you are free to use. On the
expansion bus Bank # 254 will have priority over
this, but it is not active during initialization.

DOCK is usually enabled by the ROSCS

ZXir QLive Alive!

16

Summer 2000

signal available at the cartridge slot. If you
relocate it to the expansion bus as Bank # O. it
has priority when ON, or can act the same
because the ROSCS signal is available on the
expansion bus.

Figure 1: Bank Switching

Write Port Decoding

m — — — — ■

si

83 _______

«4 — kirn uccb^+su

2 \k i wCrtS- ME132 - (P -

4d*2 tu]_4 i w_i33 - ON"

i!5

loin - Adn
a? — S,- '

oab 15 --

— i * ^

02 P "

03 b u

JL-i

iEi u 03i_ J2 -«Ei34 - SELECT n

; r 2 qo? osb^wwi - (NO ji
llj^dcND Seb^-w-i^-cNC) i
" "His" r Wl«-(HC) ||

u

external higher priority back-plane cards. When
this is done, EXROM and DOCK are no longer
mutually exclusive.

Summary

While the Bank Switching System described in Figures 1
and 2 has limits on what it can do, it should start a
revolution. It is simple enough to understand, uses easily
obtainable parts, and any reasonably competent hardware
hacker can build it. It doesn't put your TS2068 at risk, and
even if EXROM is relocated, there are no wiring changes
internally so you can always put it back.

A lot of mental sweat went into creating this version
The main reason for it is to give the user confidence that it
can indeed be done as advertised Perhaps later someone
will actually believe that a lull self-configuring system
actually exists (which it does)

It nevertheless is one giant step for the

TS2068. Once Taken — Watch Out!

(C) 1987 William J. Pedersen WIDJUP

If you have no back-plane, the EXROM
relocation card is the perfect place to include
replacement HOME ROM using a technique
described in another article for recovering the
ROMCS signal logically— as it is not available at
the cartridge slot.

For the same reason, this card should carry a
replacement card edge connector 60 you can still
use your cartridges.

Should you desire, once the system has been
initialized, and you DO have an expansion bus,
even these replacements can be replaced by the

uuu n_u.i__u a. x vU-Cl irtliU

[Nste.'ftetwrs em to ana mx
| of Sftfl and iraSj out if
SOW is i»r«sent, at least
CHUNK W shout* _e ROM.

<&mttj«s mm mimnw.)

17

Summer 2000

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i

Make David Leech an Offer
ZX-81/TS-1000 TS-2063 Hardware Kits
Real Time Clock I/O Controller RS-232
Centronics i/F 1 6K & 64K RAM 300 BAUD
Modem A-D Converter(assembied)

536 Long Ter
Leesvflle SC 29070

ZX-TEXT - Word Processor
ZX-CALC - Spreadsheet
Business Software
Cycle Accounting Financial Report Generator

2X-CALENDAR - Time Management
ZX-81 TS-1000 TS-1500 TS-2063
Albert F, Rodriguez

A s F a R, Software®

1605 Pennsylvania Ave 204
Miami Beach FL 33139

ARCHIVE Based QL Software

QLerk - A complete financial program for the QL

QLerk software (v3.21 ) with tutorial $29

QLerk manual $29

QLerk software & manual $50

DBEasy - A menu based database system

DBEasy software (v1 ,6) $24

DBEasy upgrade from V1 .5 $7

DBProgs - A toolkit of ARCHIVE procedures

DBProgs software (v1 8) $18

DBProgs upgrade from VI 7 $7

ZXir QLive Alive!

18

Summer 2000

DBTutor - A general purpose learning program

DBTutor software! vi .5) $1 2

PC DBEasy - Just like QL DBEasy

PC DBEasy software (v1 .3) $12

Bill Cable
Wood & Wind Computing

RR3 BOX 92
Cornish NH 03745 USA
Phone (603)675-2218

810 254-9878

auy s.u ^o,oUu upS
Supporting a!! Sinclair and Tsrnex users Fsdonet Echomail

arefor Sinclair computers. Lots of new files for you to
download such asTS-2068 emulator for those who use a
PC give us a call and let us know what you want to
see Jvlessaae and file areas
QL Internationa}, Quanta, QL Hackers journal, Spec-
trum/2068, 2X-81/TS-1000, Z88, NetMaii, emulators,
pointer, FOFormatfor QXL/QDOS, etc.
Sysop John *J impeliizzeri
Co-Sysop Oora Waiferman
Utica, Michigan, USA

I) c m I ii c

c

U:

! 1) € §

Hardware & Software
352 7 th Ave. 15 th Fir.
New York, NY 10001

Phone 212 631-7563

Fax 212 947-5069 Voice mail pager 917 490-8407
Domino.cubes@excelsior.net

AS I

A^/ .11 u ii liLiLg news letter

I 'Ike Long Itslamel S i TClaar/l'aiiiex Users Oroup

Robert Malioy, Treasurer
412 Pacific St.
Massapequa Park, NY 11762

E Q La fUf C?

New England Sinclair QL Users Group
Ed Kingsley, Editor
16 Highland Avenue
Saugus MA 01906

} ZOO-OO/ I

EdK4@aoi.com

i

All O T O « « «

v3 U. || Lt U i L 1 ii g .r*, » i. \£ i i i' g i <t l&i ill. Ci 3

Timothy S wen son .

2455 Medallion Dr.
Union City, CA 94587-1 91 4
swensontc<5>aeocities.com
http : //www. geoci ties . com/S i i conVa fiey/P i nes/5865/

Aiec Carsweii

Motivation

16 Montgomery Ave

wiu » n.viouiiu ( \r\ t \j is — <_

United Kingdom

The Ksnntop

Newsletter

The Greater Cleveland T-S User Group

Thomas Simon Editor

615 School Ave
Cuyahoga Fails OH 44221
E-Mail CSS 73177,333
Jon Kaczor Production
4568 Williamson Ave
Brooklyn OH 44144
75363. 1 1 27 ©Compuserve, com

Peter Liebert-Adelt
LUETZOW STR 3
D-38102 BRAUNSCHWEIG

GERMANY
Email: p.iiebert@t-oniine.de
http //home . t-online, de/home/p liebert/zx- team, htm
Amateur Radio. PK4BF@DB0FC.#NDS.DEU.£U

The ZX Spectrum 48/i2S Emulator
for IBM & Compatables: Z30 Version

Turn your PC into a real ZX Spectrum 48/128
=>- Full Spectrum emulation, border, flash, beeper, interface 1,
Microdrive in cartridge file, RS232 input and output redirection
to file, COM or LPT, joystick support, 128K sound through
Soundblaster or internal speaker, built-in monitor,
=>- Able to load ANY, even protected or speed-saved program
from tape, to save to tape, to redirect tape loads and saves to
disk for easy file access,
•=>■ 25G0 sine English documentation.

Runs okay under DOS, Windows and DesqView,
=>- Full source code of emulator and utilities included!
Runs on any 640K PC; too slow for practical use on PC/XTs
but fast enough on ATs, uses VGA/EGA/CGA or Hercules.
This program costs US $20. You will receive a 3. 5 s DD disk
(5,25" disks on request), and you'll be kept informed about up-

ZXir QLive .Alive!

19

Autumn 1999

f

dates. Please send bank notes (bills), name and address to:

Gerton Lunter

PO Box 2535
NL-9704 CM Groningen
Netheriand

heck, please add US $1 5 extra and allow 4 weeks for d elivery.

Jtoclwi M«erz Scffware

Tfte Fully Functional ROM Disk

SMSQ/E for the QXL

SMSQIE for the Super GoidCard

QL Games Sl Upgrades QL Applications
ProWesS + Applications
Jochen Merz Software
Im stlilen Winke! 12
47169 Duisburg, Germany

Fax 0203-502012

Credit Cards accepted

http://www.j -m-s.com/smsq/

e-mail sms

SSSSSSSSSSSS

-m-s.com

01- Today is published by Jochen Merz Software. Jochen
Merz has been supplying software for the QL for several years
and has built up a good reputation for quality and fair trading
The representative in Britain is Miracle Systems Ltd who take
subscriptions and. do the distribution.

English Office

Miracle Systems Ltd.
20 Mow Barton
Yates, Bristol
United Kingdom BS17 5NF
Tel. -441454 883802 Fax. -44 1454 883602

Editor

$30 Plus $10 for S/H

TS-2040 Printers 16 K RAM
We Do Not Ship Outside The US & Canada
Checks, Money Orders and Visa or Mastercard
Call 2 i 2-675-84 1.4 FAX 2 12-675-8980

New York, NY 10001

Shipping is by UPS ground.
Basks of Times Sinclair 1500/1000 BASIC
BASIC Basics for the Timex/Sinclair 1500/1000
The ins and Outs of the Times TS-1000 & ZX-81
Computer interfacing Technique in Science TS- 1500/1000
ZX-81 BASIC Programming (in Spanish language)

Sinclair Resources

John McMichael (Developer - Graphics)
1710 Palmer Dr
Laramie WY 82070

Keith Watson (AERCO & Z80 Emulator)
41634 Amberly Dr.
Mt. Clemens, Ml 48038

Rod Gowen (RMG)
14784 S Quail Grove Cir
Oregon City OR 97045-8843

Send them a LSASE and ask for information about
their current products and/or services.

iB W S ■ : ■ i » »

TP/** InifiKiiiiiPif '

JOHN J SHEPARD III

Dilwyn Jones
41 Bra Emrys
Tal-Y-Bont, Bangor, Gwynedd
United Kingdom LL57 3YT
Tel. +44 1248 354023 Fax. +44 1248 354023

Items for the TImex\SInciair Computer

Timevvorks Programming kit #1 For T/S 1000&ZX81 $4.95
Mindware Gulp Game Timex 1000 & Sinclair ZX8 1 $4 95
Timex Horace & The Spiders for the 2068. $5.95
Chess ( 1 6K RAM) qty 5 price $2 95 ea
The Challenger I qty 1 7 price $2 95 ea
Mindware MW 100 plain paper printer for the TS 1000 or

ZXSi computer made in the US $45 00
All items are new. Please add $3 .95 shipping to all orders.

ivIC, VISA, American Express, phone 717-748-1747
Keith Electronics
224 North Grove St
Lock Haven, PA. 17745

1 30 th

T

1

OGDEN IA 50212
< jshepard@netins.nei >

Mostly QL & TS-2068

JACK BOATWRiGHT
67325 FRYREAR RD
BEND OR 97701
< jboatno4@ouffawnet.com >

Mostly ZX-81 /TS-1000 & TS-2068

TS-2068 ZJC»

Soft war

ZXir QLive Alive!

20

Autumn 1999